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Seabirds across the UK, and globally, are in trouble. Many species, from Puffins and Fulmars to gulls and terns are experiencing declines in their breeding numbers. A key reason is that seabirds rely ...

Body weight variation and fat deposition in Common Sandpipers Actitis hypoleucos L. during their autumn migration in the Ría de Vigo, Galicia, north-west Spain.

Data on species’ demography are essential to detect changes in population size, identify drivers of population change, motivate conservation plans, or evaluate the effectiveness of management. The ...

Data from the Heronries Census and the Rare Breeding Birds Panel (RBBP) were combined to produce population estimates for Little Egret. The population was estimated at 2,236 pairs / apparently ...

For migrant birds, there are both ‘push’ and ‘pull’ factors that drive their migration. Typically, it’s a mix of factors. Different species also migrate at different times, and in different ways - in ...

House Sparrow perched on a beam, by Amy Lewis / BTO The UK is home to 73 million fewer birds today than it was in 1970, according to research from the British Trust for Ornithology (BTO) published ...

A pair of Hoopoes succeeded in raising three young from a nest in farmland in Leicestershire and Rutland. This distinctive species from southern Europe, its plumage a combination of salmon-pink and ...

Satellite technology is helping scientists from the British Trust for Ornithology (BTO) to better understand the pressures that the UK’s breeding Cuckoos face as they make annual migrations of 16,000 ...

A new report published today by the British Trust for Ornithology (BTO), in partnership with RSPB and JNCC, reveals impacts of Avian Influenza on Mute Swans across the UK. The Wetland Bird Survey ...

Back in the first migration blog of this autumn we made the point that autumn migration could be said to start in June, as this is when we see the first southbound waders passing through Britain. The ...

Forget ‘five gold rings’, how about 866,000 alloy ones? A new report from the British Trust for Ornithology (BTO) highlights the latest findings from wild bird ringing activities across the UK and ...